CME S&P MidCap 400 Options
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Listed CME S&P MidCap 400 Options Contracts
Months Traded All calendar months    Month Key Code
Eligible Months 4 Quarterly, 2 Serial
Currently Listed 7
Last Day of Trading Rule Quarterly: The business day immediately preceding the day of determination of the Final Settlement Price (normally, the Thursday prior to the 3rd Friday of the contract month).



Serial: The 3rd Friday of the contract month.
New Contract Listing Rule The day after the front month expires.
Special Notes None
CME Rule Book Chapter 353A
Seq.
No.		 Contract
Month		 Product
Code		 First
Trade
Date		 Last
Trade
Date		 Settlement
Date		 Delete
Date
1 Jan 2008 MDF8 10/22/07 01/18/08 01/18/08 ---
2 Feb 2008 MDG8 11/19/07 02/15/08 02/15/08 ---
3 Mar 2008 MDH8 03/16/07 03/19/08 03/20/08 ---
4 Mar 2008 XZH8 12/20/07 03/19/08 03/20/08 ---
5 Apr 2008 MDJ8 01/22/08 04/18/08 04/18/08 ---
6 Jun 2008 MDM8 06/15/07 06/19/08 06/20/08 ---
7 Sep 2008 MDU8 09/21/07 09/18/08 09/19/08 ---
8 Dec 2008 MDZ8 12/21/07 12/18/08 12/19/08 ---